def testRobotPredicates(self):
"Validate all of the predicates in class Robot"
self.karel = Robot(5, 5, North, 0) # has to be a Robot here
self.assertEqual(self.karel.anyBeepersInBeeperBag(), 0)
self.assertEqual(self.karel.nextToABeeper(), 0)
self.assertEqual(self.karel.facingNorth(), 1)
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 0)
self.assertEqual(self.karel.frontIsClear(), 1)
martha = UrRobot(5, 5, North, 0)
self.assertEqual(self.karel.nextToARobot(), 1)
world.placeWallNorthOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingNorth(), 0)
self.assertEqual(self.karel.facingWest(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 4)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallNorthOf(4, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
charlie = Robot(12, 12, North, 1)
rosie = UrRobot(12, 12, East, 0)
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
charlie.putBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 0)
charlie.pickBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
self.assertEqual(charlie.nextToARobot(), 1)
charlie.move()
charlie.move()
self.assertEqual(charlie.nextToARobot(), 0)
self.assertNoBeepersAt(9, 9)
world.placeBeepers(9, 9, 1)
self.assertBeepersAt(9, 9)
def task():
# Commands to control the "world"
world.readWorld("maze2.kwld") # open a particular world file
world.setSize(10, 10) # set the size of the visible world
world.setDelay(50) # set simulation speed. 0-fastest, 100-slowest
#create a Robot sprite (give it your name) and start it on
# Street 3, Avenue 1
sb15 = Robot(3, 1, East, 0, fill='blue', outline='green')
#Write the code to make your robot find it's way out of the maze and end up
#on Street 8, Avenue 5 and pick up the beeper that's there
while not sb15.anyBeepersInBeeperBag():
if sb15.frontIsClear():
sb15.move()
else:
sb15.turnLeft()
if not sb15.frontIsClear():
sb15.turnLeft()
sb15.turnLeft()
if sb15.nextToABeeper():
sb15.pickBeeper()
class RobotaTest(RobotTestCase):
def setUp(self):
world.setSize(10, 10)
world.reset()
world.setDelay(0)
self.karel = UrRobot(5, 5, North, 0)
world.setVisible(
0
) #Doesn't work. It is reset visible whenever Robota is loaded again.
def testReadWorld(self):
"assure the elements read are all present"
world.readWorld("../stairs.kwld")
self.assertEqual(world._beepers[(2, 2)], 1, "No beeper here")
self.assertEqual(world._eastWestWalls[(3, 4)], 1, "No top step")
self.assertEqual(world._eastWestWalls[(2, 3)], 1, "No mid step")
self.assertEqual(world._eastWestWalls[(1, 2)], 1, "No lower step")
self.assertEqual(world._northSouthWalls[(1, 1)], 1, "No left step")
self.assertEqual(world._northSouthWalls[(1, 4)], 1, "No right step")
self.assertEqual(world._northSouthWalls[(2, 2)], 1, "No left step")
self.assertEqual(world._northSouthWalls[(2, 4)], 1, "No right step")
self.assertEqual(world._northSouthWalls[(3, 3)], 1, "No left step")
self.assertEqual(world._northSouthWalls[(3, 4)], 1, "No right step")
# def testWindow(self):
# if graphics == tkGraphics:
# self.assertTrue(_window != None)
def testWorldName(self):
"Assure that the name of the world can be defined."
tempWorld = RobotWorld("Uranus")
self.assertEqual(tempWorld.name(), 'Uranus')
self.assertEqual(world.name(), "Karel's World")
def testWorldAssertions(self):
try:
world.assertRobotsAt(8, 8)
fail("No Robots")
except NoRobots:
pass
world.assertBeepersAt(0, 0, 0)
try:
world.assertBeepersAt(0, 0, 1)
fail("Not enough beepers")
except NoBeepers:
pass
world.assertRobotsAt(5, 5)
world.placeBeepers(3, 3, 3)
world.assertBeepersAt(3, 3, 0)
world.assertBeepersAt(3, 3, 1)
world.assertBeepersAt(3, 3, 3)
try:
world.assertBeepersAt(3, 3, 4)
fail("Not enough beepers")
except NoBeepers:
pass
try:
world.assertBeepersAt(3, 3, infinity)
fail("Not enough beepers")
except NoBeepers:
pass
world.placeBeepers(3, 3, infinity) #infinite
world.assertBeepersAt(3, 3, infinity)
world.assertBeepersAt(3, 3, 0)
world.assertBeepersAt(3, 3, 3)
# self.assertRaises(NoRobots, world.assertRobotsAt(8, 8))
# self.assertRaises(NoBeepers, world.assertBeepersAt(0, 0, 1))
def testNotImplemented(self):
"Assure that the non-implemented instructions are all in place"
karel = _RobotSkeleton()
self.assertRaises(NotImplementedError, karel.move)
self.assertRaises(NotImplementedError, karel.turnLeft)
self.assertRaises(NotImplementedError, karel.turnOff)
self.assertRaises(NotImplementedError, karel.pickBeeper)
self.assertRaises(NotImplementedError, karel.putBeeper)
carl = _SensorPack()
self.assertRaises(NotImplementedError, carl.anyBeepersInBeeperBag)
self.assertRaises(NotImplementedError, carl.nextToABeeper)
self.assertRaises(NotImplementedError, carl.facingNorth)
self.assertRaises(NotImplementedError, carl.facingWest)
self.assertRaises(NotImplementedError, carl.facingSouth)
self.assertRaises(NotImplementedError, carl.facingEast)
self.assertRaises(NotImplementedError, carl.nextToARobot)
self.assertRaises(NotImplementedError, carl.frontIsClear)
def testRemovaAllRobots(self):
"Remove all robots from world"
world.resetRobots()
self.assertEqual(world._robotsAt(5, 5), 0)
def testActionsWhenTurnedOff(self):
"Actions should all fail when robot turned off"
self.karel.turnOff()
self.assertRaises(RobotNotRunning, self.karel.move)
self.assertRaises(RobotNotRunning, self.karel.turnLeft)
self.assertRaises(RobotNotRunning, self.karel.pickBeeper)
self.assertRaises(RobotNotRunning, self.karel.putBeeper)
lost = UrRobot(1, 1, West, 1)
self.assertRaises(FrontIsBlocked, lost.move)
self.assertRaises(RobotNotRunning, lost.move)
self.assertRaises(RobotNotRunning, lost.turnLeft)
self.assertRaises(RobotNotRunning, lost.pickBeeper)
self.assertRaises(RobotNotRunning, lost.putBeeper)
def testNextToARobot(self):
"Next to a robot when present and when not"
#Note that the robots from other tests still exist in the world as it isn't cleared of robots.
world.resetRobots()
self.karel = Robot(12, 12, North, 0)
self.assertHasNoNeighbor(self.karel)
self.assertEqual(len(self.karel.neighbors()), 0)
charlie = Robot(12, 12, East, 0)
self.assertEqual(len(self.karel.neighbors()), 1)
self.assertEqual(self.karel.neighbors()[0], charlie)
self.assertEqual(charlie.neighbors()[0], self.karel)
self.assert_(charlie.nextToARobot())
self.assert_(self.karel.nextToARobot())
self.assertHasNeighbor(self.karel)
self.assertHasNeighbor(charlie)
charlie.move()
self.assertHasNoNeighbor(self.karel)
self.assertHasNoNeighbor(charlie)
self.assert_(not charlie.nextToARobot())
self.assert_(not self.karel.nextToARobot())
def testRobotPredicates(self):
"Validate all of the predicates in class Robot"
self.karel = Robot(5, 5, North, 0) # has to be a Robot here
self.assertEqual(self.karel.anyBeepersInBeeperBag(), 0)
self.assertEqual(self.karel.nextToABeeper(), 0)
self.assertEqual(self.karel.facingNorth(), 1)
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 0)
self.assertEqual(self.karel.frontIsClear(), 1)
martha = UrRobot(5, 5, North, 0)
self.assertEqual(self.karel.nextToARobot(), 1)
world.placeWallNorthOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingNorth(), 0)
self.assertEqual(self.karel.facingWest(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 4)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallNorthOf(4, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
charlie = Robot(12, 12, North, 1)
rosie = UrRobot(12, 12, East, 0)
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
charlie.putBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 0)
charlie.pickBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
self.assertEqual(charlie.nextToARobot(), 1)
charlie.move()
charlie.move()
self.assertEqual(charlie.nextToARobot(), 0)
self.assertNoBeepersAt(9, 9)
world.placeBeepers(9, 9, 1)
self.assertBeepersAt(9, 9)
def testPausing(self):
"this is a partial test of pausing"
self.assertEqual(self.karel._UrRobot__pausing, 0)
self.assertEqual(self.karel._UrRobot__userPausing, 0)
self.karel.setPausing(1)
self.assertEqual(self.karel._UrRobot__pausing, 1)
self.karel.setPausing(0)
self.assertEqual(self.karel._UrRobot__pausing, 0)
self.karel.setUserPausing(1)
self.assertEqual(self.karel._UrRobot__userPausing, 1)
self.karel.setUserPausing(0)
self.assertEqual(self.karel._UrRobot__userPausing, 0)
# TODO: does not test the effect of this, just the setting. Test the effect manually
class ObsTemp(Observer):
def update(self, observable, data):
print('------ Manual Check-------->done')
class StateCheck(Observer):
def update(self, observable, data): #used just after karel moves
assert data.action() == UrRobot.moveAction
assert data.street() == 6
assert data.avenue() == 5
assert data.beepers() == 0
assert data.isRunning() != 0
assert data.direction() == North
def testObservable(self):
"Observers should get signaled when robot changes state, etc. All observable methods"
self.assertEqual(self.karel.countObservers(), 1)
self.assertEqual(self.karel.hasChanged(), 0)
self.karel.setChanged()
self.assertEqual(self.karel.hasChanged(), 1)
self.karel.notifyObservers(None)
self.karel.clearChanged()
self.assertEqual(self.karel.hasChanged(), 0)
self.karel.deleteObserver(world)
self.assertEqual(self.karel.countObservers(), 0)
self.karel.addObserver(world)
self.assertEqual(self.karel.countObservers(), 1)
self.karel.deleteObservers()
self.assertEqual(self.karel.countObservers(), 0)
self.karel.addObserver(self.ObsTemp())
self.karel.setChanged()
print()
print("Manual Check, should produce ...done")
self.karel.notifyObservers(0)
# test robotStates
check = self.StateCheck()
self.karel.addObserver(check)
self.karel.move()
def testMoveAroundTheBlock(self):
"Robot move around block when clear"
self.karel.move()
self.assertFacingNorth(self.karel)
self.assertRunning(self.karel)
self.assertFrontIsClear(self.karel)
self.assertAt(self.karel, 6, 5)
self.karel.turnLeft()
self.assertFacingWest(self.karel)
self.karel.move()
self.assertAt(self.karel, 6, 4)
self.karel.turnLeft()
self.assertFacingSouth(self.karel)
self.karel.move()
self.assertAt(self.karel, 5, 4)
self.karel.turnLeft()
self.assertFacingEast(self.karel)
self.karel.move()
self.assertAt(self.karel, 5, 5)
self.karel.turnLeft()
self.assertFacingNorth(self.karel)
self.assertNoBeepersInBeeperBag(self.karel)
def testMoveWhenBlocked(self):
"Move when blocked by boundary wall"
robot = Robot(1, 1, West, 0)
self.assertFrontIsBlocked(robot)
self.assertRaises(FrontIsBlocked, robot.move)
def testMoveWhenBlockedGeneral(self):
"Move when blocked by normal wall"
world.placeWallEastOf(5, 5)
world.placeWallEastOf(5, 4)
world.placeWallNorthOf(5, 5)
world.placeWallNorthOf(4, 5)
self.assertRaises(FrontIsBlocked, self.karel.move)
self.karel = Robot(5, 5, West, 0)
self.assertRaises(FrontIsBlocked, self.karel.move)
self.karel = Robot(5, 5, South, 0)
self.assertRaises(FrontIsBlocked, self.karel.move)
self.karel = Robot(5, 5, East, 0)
self.assertRaises(FrontIsBlocked, self.karel.move)
def testInfiniteBeepersInWorld(self):
"Infinite beepers in world"
world.placeBeepers(5, 5, infinity)
self.karel.pickBeeper()
self.assertEqual(world._beepers[(5, 5)], infinity,
"World lacks infinite beepers")
self.karel.putBeeper()
self.assertEqual(world._beepers[(5, 5)], infinity,
"World lacks infinite beepers")
def testInfiniteBeepersInRobot(self):
"Robot has infinite beepers"
robot = Robot(1, 1, North, infinity)
robot.putBeeper()
self.assertEqual(robot._UrRobot__beepers, infinity,
"Robot lacks infinite beepers")
robot.pickBeeper()
self.assertEqual(robot._UrRobot__beepers, infinity,
"Robot lacks infinite beepers")
def testIllegalCorner(self):
"Various tests of illegal ccorner uses"
self.assertRaises(IllegalCorner, Robot, 0, 1, North, 0)
self.assertRaises(IllegalCorner, world.placeBeepers, 1, 0, 2)
def testPickBeeper(self):
"Picking beepers and putting them again"
world.placeBeepers(5, 5, 3)
self.assertNoBeepersInBeeperBag(self.karel)
self.karel.pickBeeper()
self.assertBeepersInBeeperBag(self.karel)
self.karel.pickBeeper()
self.assertEqual(self.karel._UrRobot__beepers, 2,
"Wrong number of beepers")
self.karel.putBeeper()
self.assertEqual(self.karel._UrRobot__beepers, 1,
"Wrong number of beepers")
self.karel.putBeeper()
self.assertNoBeepersInBeeperBag(self.karel)
def testPutBeeperWhenNonePresent(self):
"Trying to put a beeper when none in bag"
self.assertRaises(NoBeepersInBeeperBag, self.karel.putBeeper)
def testPickBeeperWhenNonePresent(self):
"Trying to pick a beeper when none on corner"
self.assertRaises(Exception, self.karel.pickBeeper)
def testAssertionStructure(self):
"Assure the robottestcase assertions all work"
self.assertRunning(self.karel)
self.assertFacingNorth(self.karel)
self.assertNotFacingEast(self.karel)
self.assertNotFacingSouth(self.karel)
self.assertNotFacingWest(self.karel)
self.assertNoBeepersInBeeperBag(self.karel)
self.assertAt(self.karel, 5, 5)
self.assertNotAt(self.karel, 4, 7)
self.assertOnAvenue(self.karel, 5)
self.assertOnStreet(self.karel, 5)
self.assertNotOnAvenue(self.karel, 6)
self.assertNotOnStreet(self.karel, 3)
self.assertNotNextToABeeper(self.karel)
self.assertRaises(RobotException, self.assertNotRunning, self.karel)
self.assertRaises(RobotException, self.assertNotFacingNorth,
self.karel)
self.assertRaises(RobotException, self.assertFacingEast, self.karel)
self.assertRaises(RobotException, self.assertFacingWest, self.karel)
self.assertRaises(RobotException, self.assertFacingSouth, self.karel)
self.assertRaises(RobotException, self.assertBeepersInBeeperBag,
self.karel)
self.assertRaises(RobotException, self.assertNextToABeeper, self.karel)